the catalog · 🧩 No-code apps

GPT Engineer

★ 55k

CLI that generates whole codebases from a spec prompt; the open-source precursor to Lovable

GPT Engineer does the job of Lovable, self-hosted. It is MIT-licensed, so you can do essentially what you like with it, and it installs in about one command. Lovable bills $25 for it. 55k stars on GitHub.

Open-source replacement for Lovable.

Licence
MIT
Self-hosting
Easy
The paid one costs
$25
GitHub stars
55k
view the code →official site →

Is it actually a replacement?

We have written a verdict on what it replaces — what you lose, and why people still pay:

How GPT Engineer runs

Where it runs

GPT Engineer runs on your server.

What setup takes

not verified by us yet — check the repo README.

GPT Engineer questions

Is GPT Engineer open source?

Yes — it is released under MIT.

Can GPT Engineer replace Lovable?

Our verdict on Lovable is YES. OpenCode (192k stars), OpenHands (83k stars), Cline (65k stars) are mature open-source replacements for Lovable — self-host in one command and stop paying $25/mo.

Can I self-host GPT Engineer?

Yes — we rate it easy to self-host, and it runs on your server.

More app builder / vibe coding tools